Cheap flights from Dublin to Chicago from £305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Chicago departing on 17/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Multiple Airlines Logo
09:30 - 11:30
DUB
-
ORD
8h 00mdirect
Multiple Airlines Logo
22:20 - 18:40
ORD
-
DUB
14h 20m
1 stop
£320Multiple Airlines
Fri, 15 May - Mon, 25 May
Finnair Logo
09:30 - 11:30
DUB
-
ORD
8h 00mdirect
Finnair Logo
22:25 - 11:50
ORD
-
DUB
7h 25mdirect
£326Finnair
Wed, 13 May - Tue, 26 May
Finnair Logo
09:30 - 11:30
DUB
-
ORD
8h 00mdirect
Finnair Logo
22:25 - 11:50
ORD
-
DUB
7h 25mdirect
£327Finnair
Wed, 13 May - Tue, 26 May
Multiple Airlines Logo
08:35 - 17:35
DUB
-
ORD
15h 00m
1 stop
Multiple Airlines Logo
17:00 - 09:40
ORD
-
DUB
10h 40m
1 stop
£327Multiple Airlines
Thu, 30 Apr - Mon, 4 May
Multiple Airlines Logo
08:35 - 14:55
DUB
-
ORD
12h 20m
1 stop
Multiple Airlines Logo
22:25 - 11:50
ORD
-
DUB
7h 25mdirect
£332Multiple Airlines
Wed, 13 May - Tue, 26 May
Multiple Airlines Logo
08:35 - 17:35
DUB
-
ORD
15h 00m
1 stop
Multiple Airlines Logo
22:25 - 11:50
ORD
-
DUB
7h 25mdirect
£333Multiple Airlines
Wed, 13 May - Tue, 26 May
Multiple Airlines Logo
08:35 - 18:15
DUB
-
ORD
15h 40m
1 stop
Multiple Airlines Logo
22:25 - 11:50
ORD
-
DUB
7h 25mdirect
£333Multiple Airlines
Wed, 13 May - Tue, 26 May
Delta Logo
05:55 - 17:55
DUB
-
MDW
18h 00m
2 stops
Delta Logo
13:26 - 15:45
MDW
-
DUB
20h 19m
2 stops
£390Delta
Mon, 2 Feb - Tue, 10 Feb
Delta Logo
05:55 - 18:36
DUB
-
MDW
18h 41m
2 stops
Delta Logo
13:26 - 15:45
MDW
-
DUB
20h 19m
2 stops
£391Delta
Mon, 2 Feb - Sun, 8 Feb
KLM Logo
08:50 - 17:37
DUB
-
MDW
14h 47m
2 stops
KLM Logo
10:49 - 07:45
MDW
-
DUB
14h 56m
1 stop
£393KLM
Thu, 19 Feb - Wed, 25 Feb

British Airways flights from Dublin to Chicago

Our best British Airways deals on Dublin to Chicago flight tickets
British Airways
12 Feb
DUB20:40Dublin
23h 10m
1 stop
ORD13:50Chicago O'Hare Intl
19 Feb
ORD21:45Chicago O'Hare Intl
13h 40m
1 stop
DUB17:25Dublin
£385
British Airways
21 Jan
DUB20:40Dublin
24h 45m
1 stop
ORD15:25Chicago O'Hare Intl
10 Mar
ORD22:45Chicago O'Hare Intl
13h 15m
1 stop
DUB17:00Dublin
£403
British Airways
22 Jan
DUB10:30Dublin
12h 30m
1 stop
ORD17:00Chicago O'Hare Intl
6 Mar
ORD16:10Chicago O'Hare Intl
16h 10m
2 stops
DUB14:20Dublin
£420

United Airlines flights from Dublin to Chicago

Our best United Airlines deals on Dublin to Chicago flight tickets
United Airlines
13 Feb
DUB09:00Dublin
12h 10m
1 stop
ORD15:10Chicago O'Hare Intl
18 Feb
ORD15:50Chicago O'Hare Intl
9h 40m
1 stop
DUB07:30Dublin
£392
United Airlines
2 Feb
DUB09:00Dublin
12h 10m
1 stop
ORD15:10Chicago O'Hare Intl
8 Feb
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin
£393
United Airlines
5 Feb
DUB10:40Dublin
8h 50m
ORD13:30Chicago O'Hare Intl
9 Feb
ORD14:27Chicago O'Hare Intl
11h 03m
1 stop
DUB07:30Dublin
£395

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 16 January 2026.
Use the filters below to find and compare flights from Dublin to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 15/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Mon 25/5

22:20-18:40

1 stop14h 20m

£320

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

£326

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

£327

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 30/4

08:35-17:35

1 stop15h 00m

Chicago O'Hare Intl

Mon 4/5

17:00-09:40

1 stop10h 40m

£327

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

08:35-14:55

1 stop12h 20m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

£332

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

08:35-17:35

1 stop15h 00m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

£333

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

08:35-18:15

1 stop15h 40m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

£333

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 2/2

05:55-17:55

2 stops18h 00m

Chicago Midway

Tue 10/2

13:26-15:45

2 stops20h 19m

£390

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 2/2

05:55-18:36

2 stops18h 41m

Chicago Midway

Sun 8/2

13:26-15:45

2 stops20h 19m

£391

DublinChicago

DUB - MDW

DUBMDW

Dublin

Thu 19/2

08:50-17:37

2 stops14h 47m

Chicago Midway

Wed 25/2

10:49-07:45

1 stop14h 56m

£393

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Dublin to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Dublin and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from Dublin is in November. Flight prices, which tend to average around £352, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Chicago from Dublin during December instead. Flights to Chicago in December, while not as cheap as those in November, still average around £383.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £531. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £599.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from Dublin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £499 when looking at flights departing in the afternoon. Flights at midday are often more expensive, with an average ticket price of £594.

What is the cheapest Dublin to Chicago flight route?

Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £458 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Dublin for as low as £393 on momondo.

What cabin class options are available on Dublin to Chicago flights?

There are 3 cabin classes available to choose from on Dublin to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to Chicago flights?

No. A direct flight is the cheapest option for a flight between Dublin to Chicago.

How have Dublin to Chicago flight prices changed over time?

As of January 2026, prices for Dublin to Chicago flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Chicago (DUB to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago

Best price found

£257

Fastest flight time

8h 25m

Direct flights

Every day

Airports in Chicago

3 airports
The best one-way flight to Chicago from Dublin in the past 72 hours is £257. The best return flight deal from Dublin to Chicago found on momondo in the last 72 hours is £468.
The fastest flight from Dublin to Chicago takes 8h 25m
Direct flights go from Dublin to Chicago every day.
There are 3 airports in Chicago. From Dublin there are direct flights to Chicago O'Hare Intl (ORD).
  • How far is Dublin to Chicago by plane?

    The distance between Dublin and Chicago is about 3657.3 mi. By plane, this route typically takes 8h 25m.

  • When did momondo last update prices for flights from Dublin Airport to Chicago?

    Prices for flights from Dublin Airport to Chicago refresh daily.

  • How many operators does momondo search for flights from Dublin Airport to Chicago?

  • How old do you have to be to fly from Dublin Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to Chicago?

  • What is the most popular airline from Dublin to Chicago?

Best airlines flying from Dublin to Chicago

Compare and see reviews for airlines that fly from Dublin to Chicago with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £241Free CancellationRating
7.1
596 reviews
Search Icelandair flights
British AirwaysPriceFrom £299Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
FinnairPriceFrom £316Free CancellationRating
7.6
1,349 reviews
Search Finnair flights
Aer LingusPriceFrom £345Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £355Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom £454Free CancellationRating
7.2
11,132 reviews
Search American Airlines flights
  • United Airlines Flights From Dublin to Chicago

    United Airlines operates around 7 flights from Dublin to Chicago every week. The average price of these flights found in the last 72 hours has been £626, but momondo users have found United Airlines deals from Dublin to Chicago from as low as £355 round-trip. United Airlines has been scored 7.4/10 in 9,164 reviews.

  • Aer Lingus Flights From Dublin to Chicago

    Aer Lingus (7.2/10 from 1,435 reviews) operates around 6 flights from Dublin to Chicago in any given week. The average Aer Lingus airfare for this route is around £493, with deals from around £345 rare but found on momondo. Referenced prices are for round-trip Dublin to Chicago flight searches in the last 72 hours.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Chicago . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Dublin to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Dublin with this policy.

How can momondo help me find flights from Dublin to Chicago?

Once all potential Dublin to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Dublin to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sun 15/2
Sun 22/2

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago